pending_intrs = A_INTR_GET_INTRENABLE()&(~CMNOS_IMASK_XTTIMER);
A_INTR_SET_INTRENABLE(pending_intrs);
A_PRINTF("- intr [0x%08x]\n\r", pending_intrs);
pending_intrs = A_INTR_GET_INTRENABLE()&(~CMNOS_IMASK_XTTIMER);
A_INTR_SET_INTRENABLE(pending_intrs);
A_PRINTF("- intr [0x%08x]\n\r", pending_intrs);